000
FXUS64 KHGX 030512
AFDHGX
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE HOUSTON/GALVESTON TX
1112 PM CST MON MAR 2 2015
.DISCUSSION...
SEE 06Z AVIATION DISCUSSION.
&&
.AVIATION...
POOR AVIATION CONDITIONS ARE EXPECTED AGAIN OVERNIGHT INTO TUESDAY
MORNING. FCST SOUNDINGS AND HRRR VSBY PROGS SHOW STRONG POTENTIAL
FOR DENSE FOG OVERNIGHT WITH VISIBILITIES DROPPING TO 1/4 MILE
OVER ALL TAF SITES. CIGS WILL ALSO LOWER TO BELOW 200 FEET AT ALL
TAF SITES AS WELL. SLOW IMPROVEMENT IS EXPECTED TUESDAY MORNING
AFTER 16Z WITH MVFR CONDS EXPECTED TO OCCUR BRIEFLY ON TUESDAY
AFTN. WINDS WILL REMAIN LIGHT OVERNIGHT AND GRADUALLY VEER TO THE
E-SE BY MORNING. S-SE WINDS EXPECTED ON TUESDAY AFTN AND SPEEDS
WILL PROBABLY GET A BIT GUSTY OVER THE WESTERN TAF SITES DURING
THE AFTN. 43
&&
.PREV DISCUSSION... /ISSUED 731 PM CST MON MAR 2 2015/
UPDATE...
ISSUED A DENSE FOG ADVISORY FOR THE REGION. SEA FOG AT THE COAST
ALREADY MOVING ONSHORE AND VISBY THERE FALLING. OVER THE NORTHERN
COUNTIES 1/2 TO 2 MILES IS COMMON WHILE IN BETWEEN 5-9 MILES IS
MORE COMMON. AS WE COOL DOWN AND WINDS BECOME MORE EAST AND SOUTHEAST
AM EXPECTING VISBY TO DROP AND DENSE TO BECOME WIDESPREAD.
WARM FRONT MOVES INLAND TOMORROW MORNING AND SOME IMPROVEMENT IN
VISBY SHOULD OCCUR...COASTAL AREAS WILL BE TRICKY DEPENDING ON
TRAJECTORIES AND DURATION OVER THE COOLER SHELF WATERS. FOR NOW
THE ADVISORY RUN THROUGH 10 AM.
ALSO MADE SOME CHANGES TO THE GRIDS IN THE SHORT TERM TO LOWER
TEMPERATURES UP NORTH AND INCREASE SKY COVER. 45
&&
.PRELIMINARY POINT TEMPS/POPS...
COLLEGE STATION (CLL) 43 72 61 63 30 / 20 30 30 70 70
HOUSTON (IAH) 55 76 64 70 34 / 20 20 20 50 70
GALVESTON (GLS) 56 72 61 66 37 / 20 20 20 30 60
&&
.HGX WATCHES/WARNINGS/ADVISORIES...
TX...DENSE FOG ADVISORY UNTIL 10 AM CST TUESDAY FOR THE FOLLOWING
ZONES: AUSTIN...BRAZORIA...BRAZOS...BURLESON...CHAMBERS...
COLORADO...FORT BEND...GALVESTON...GRIMES...HARRIS...
HOUSTON...JACKSON...LIBERTY...MADISON...MATAGORDA...
MONTGOMERY...POLK...SAN JACINTO...TRINITY...WALKER...
WALLER...WASHINGTON...WHARTON.
GM...DENSE FOG ADVISORY UNTIL 10 AM CST TUESDAY FOR THE FOLLOWING
ZONES: GALVESTON BAY...MATAGORDA BAY...WATERS FROM FREEPORT
TO THE MATAGORDA SHIP CHANNEL 20 NM TO 60 NM...WATERS FROM
FREEPORT TO THE MATAGORDA SHIP CHANNEL OUT 20 NM...WATERS
FROM HIGH ISLAND TO FREEPORT 20 TO 60 NM...WATERS FROM HIGH
ISLAND TO FREEPORT OUT 20 NM.
&&
$$